ALSO THIS SIMPLE CODE NOT WORK :
<%@ Page language="c#"%>
<%@ Register Namespace="CuteWebUI" Assembly="CuteWebUI.AjaxUploader" TagPrefix="CuteWebUI" %>
<html>
<head>
</head>
<body>
<form id="Form1" method="post" runat="server">
<CuteWebUI:Uploader runat="server" MultipleFilesUpload="true" ID="Uploader1">
</CuteWebUI:Uploader>
</form>
</body>
</html>
THE ERROR IS ALWAYS:
Parser Error Message: Type 'CuteWebUI.Uploader' does not have a public property named 'MultipleFilesUpload'.